Judgment of the Court (Grand Chamber) of 5 April 2022.#European Commission v Council of the European Union.#Action for annulment – Council decision, contained in the act of the Permanent Representatives Committee (Coreper) of 5 February 2020, endorsing the submission to the International Maritime Organisation (IMO) concerning the introduction of life cycle guidelines to estimate well-to-tank greenhouse gas emissions of sustainable alternative fuels – Article 17(1) TEU – External representation of the European Union – Transmission of that submission to the IMO by the Member State holding the Presidency of the Council, on behalf of the Member States and the Commission.#Case C-161/20.